The two-inch snail darter became a symbol for regulatory overreach in the 1970s. New research suggests the fish was not an endangered species — or even a species.

The collar on 907F, one of the best-known gray wolves in Yellowstone National Park, signaled "mortality" last week—indicating ...

Nearly a quarter of the world's freshwater species are at risk of extinction due to a multitude of threats, according to new research.

A quarter of freshwater animals, including fish, insects and crustaceans, are at high risk of extinction due to threats ...

Freshwater environments cover about 1% of Earth's surface while accounting for more than 10% of known species. Like many ...

Federal officials have proposed giving a rare Nevada butterfly endangered species status.The U.S. Fish and Wildlife Service ...

A decades-long effort to save a critically endangered Hawaiian crow from extinction is taking a new strategy—relocating the ...

Sophon Heng reportedly knew the fish had been illegally traded, which violates U.S. laws designed to protect endangered species, court documents say.

RENO, Nev. — Responding to a Center for Biological Diversity petition, the U.S. Fish and Wildlife Service today proposed ...

A vampire hedgehog, a pygmy pipehorse and a "blob-headed" fish were among the hundreds of new species identified in 2024. The variety of species identified was quite eclectic and names for the new ...

Dec. 16, 2024 — New research shows that many wildlife species in the U.S., like the endangered giant kangaroo rat, will face much more frequent and severe droughts ... Botanists Name Beautiful ...

Dec. 30, 2024 — A new species of black, slender moray eel has chosen the road less traveled, thriving in dim and muddy river mouths, unlike most of its marine relatives. It is found across the ...